<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>ssh方式</title>
</head>
<style>
    div{
        width: 200px;
        height:200px;
        background-color: red;
        border: 1px solid green;
        margin:10px auto;
    }

</style>
<body>
    <div>
        <section>
            这是我的第二个文件
        </section>
    </div>
</body>
</html>